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United States Patent | 6,189,233 |
Halmschlager ,   et al. | February 20, 2001 |
Dryer section of a machine for at least one of producing and processing a web of material. The dryer section includes at least one heatable drying cylinder having a circumference, at least a part the circumference adapted to be surrounded by the material web, at least one support band arranged to surround the at least a part of the circumference, and a sealing band arranged to surround the at least a part of the circumference. An overpressure cap is arranged to receive one of a liquid and gaseous medium and is adapted to apply a pressurized one of the liquid and gaseous medium on the at least one drying cylinder. A temperature of the medium is lower than a temperature on an outside of the part of the circumference. At least one second support band is arranged around the at least one drying cylinder and is positioned between the at least one support band and the sealing band, wherein the at least one second support band has a coarser structure than the at least one support band.
Inventors: | Halmschlager; Guenter (Rohrendorf, AT); Holzer; Walter (St. Polten, AT); Steiner; Karl (Herbrechtingen, AT) |
Assignee: | Voith Sulzer Papiermaschinen GmbH (Heidenheim, DE) |
Appl. No.: | 424835 |
Filed: | December 3, 1999 |
PCT Filed: | June 3, 1998 |
PCT NO: | PCT/EP98/03301 |
371 Date: | December 3, 1999 |
102(e) Date: | December 3, 1999 |
PCT PUB.NO.: | WO98/55687 |
PCT PUB. Date: | December 10, 1998 |
Jun 03, 1997[DE] | 197 23 163 |
Current U.S. Class: | 34/117; 34/119; 34/120 |
Intern'l Class: | D06F 058/00 |
Field of Search: | 34/114,115,117,119,120,123 162/217,370,368,372 |
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